硫酸是重要的无机化工原料，主要用于化工（特别是化肥的生产）、冶金、医药、轻工、石油化工及国防工业。我国现有硫酸生产企业近480多家，年生产能力约1710万t，占世界第二位（仅次于美国）。1993年实际产量仅次于美国和独联体，居世界第三位；1994年实际完成1456万t，比1993 Sulfuric acid is an important inorganic chemical raw material, mainly used in chemical industry (especially fertilizer production), metallurgy, medicine, light industry, petrochemical and defense industries. China’s existing sulfuric acid production enterprises nearly 480, the annual production capacity of about 17.1 million tons, accounting for the second in the world (after the United States). The actual output in 1993 was second only to the United States and the Commonwealth of Independent States, ranking the third in the world. In 1994, the actual output was 14.56 million tons, more than 1993